Hi Rob,
sorry for the delay as I had to ask a colleague. We also suspect it
could simply be an authentication problem and the error is choking on
the response. For authentication against the remote endpoint it will
check the records available on the Password Management page, and if
there is any that exactly matches the SERVICE URI, then that user name
and password will be used with basic auth for making the request. So I
believe your first example should work if you have a username/password
for https://example.org/edg/tbl/sparql and then use the GRAPH keyword. I
doubt the second variation with the ? argument will work.
If you could give that a try?
Holger
On 2021-07-14 2:32 pm, [email protected] wrote:
I want to access live EDG content to download in a development
context. The export process gets out of hand if i have a bunch of
graphs to sync, and the trig backup is too coarse grained if the live
site has a lot of data, and neither allows me to control a subset with
a select statement...
SELECT *
WHERE
{ SERVICE <https:// example.org/edg/tbl/sparql>
{
GRAPH <urn:x-evn-master:frogs_datagraph>
{?uc a :Frog }
}
}
SELECT *
WHERE
{ SERVICE
<https://example.org/edg/tbl/sparql/frogs_datagraph?with-imports=true>
{?uc a :Frog }
}
Got this result..
Failed to execute SPARQL request:
org.apache.jena.sparql.resultset.ResultSetException: Failed when
initializing the StAX parsing engine
but if i access the local server
<http://localhost:8083/tbl/sparql>
it works
So i presume its possibly related to permissions - and just a bad
error message?
If so, how can one set user permissions when accessing a remote endpoint?
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